Both my Momentum and M100 are expensive and good-looking headphones, so when I use them outdoors I keep them on my person. I don't worry about them getting damaged. OTOH, my $8000 USD watch gets banged around, because I walk on narrow crowded sidewalks every day and bang it into utility poles and the concrete sides of buildings. But the headphone is either on my head or around my neck, so it doesn't get bumped into anything. If it did, I'd be in more trouble than my headphone.